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path: root/src/stores/settings.ts
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import { browser } from '$app/environment';
import { writable } from 'svelte/store';

export interface Settings {
	cacheMangaMinutes: number;
	cacheMinutes: number;
	closeAnimeByDefault: boolean;
	closeMangaByDefault: boolean;
	displayNotStarted: boolean;
	displayUnresolved: boolean;
	roundDownChapters: boolean;
	sortByDifference: boolean;
	forceLightTheme: boolean;
	linkToLiveChart: boolean;
	displayPausedMedia: boolean;
	limitListHeight: boolean;
	displaySocialButton: boolean;
	disableGuessing: boolean;
	hoverNavigation: boolean;
}

const defaultSettings: Settings = {
	cacheMangaMinutes: 60,
	cacheMinutes: 30,
	closeAnimeByDefault: false,
	closeMangaByDefault: false,
	displayNotStarted: false,
	displayUnresolved: false,
	roundDownChapters: true,
	sortByDifference: false,
	forceLightTheme: false,
	linkToLiveChart: true,
	displayPausedMedia: true,
	limitListHeight: false,
	displaySocialButton: false,
	disableGuessing: false,
	hoverNavigation: false
};

const createStore = () => {
	const { subscribe, set, update } = writable<Settings>(
		JSON.parse(
			browser
				? localStorage.getItem('settings') ?? JSON.stringify(defaultSettings)
				: JSON.stringify(defaultSettings)
		)
	);
	let state: Settings;

	subscribe((value) => (state = value));

	return {
		subscribe,
		set,
		update,
		reset: () => set(defaultSettings),
		get: () => {
			const keys = Object.keys(defaultSettings);
			const settingsKeys = Object.keys(state);

			if (keys.length !== settingsKeys.length) {
				return defaultSettings;
			}

			for (const key of keys) {
				if (!settingsKeys.includes(key)) {
					return defaultSettings;
				}
			}

			return state;
		},
		setKey: (key: keyof Settings, value: unknown) =>
			update((settings) => ({ ...settings, [key]: value }))
	};
};

const settings = createStore();

settings.subscribe((value) => {
	if (browser) {
		localStorage.setItem('settings', JSON.stringify(value));
	}
});

export default settings;